includes/specials/SpecialChangeEmail.php

   1 <?php
   2 /**
   3  * Implements Special:ChangeEmail
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  */
  23
  24 /**
  25  * Let users change their email address.
  26  *
  27  * @ingroup SpecialPage
  28  */
  29 class SpecialChangeEmail extends UnlistedSpecialPage {
  30         public function __construct() {
  31                 parent::__construct( 'ChangeEmail' );
  32         }
  33
  34         function isListed() {
  35                 global $wgAuth;
  36                 return $wgAuth->allowPropChange( 'emailaddress' );
  37         }
  38
  39         /**
  40          * Main execution point
  41          */
  42         function execute( $par ) {
  43                 global $wgAuth;
  44                 $this->checkReadOnly();
  45
  46                 $request = $this->getRequest();
  47                 $this->mPassword = $request->getVal( 'wpPassword' );
  48                 $this->mNewEmail = $request->getVal( 'wpNewEmail' );
  49
  50                 $this->setHeaders();
  51                 $this->outputHeader();
  52
  53                 $out = $this->getOutput();
  54                 $out->disallowUserJs();
  55
  56                 $user = $this->getUser();
  57
  58                 if ( !$wgAuth->allowPropChange( 'emailaddress' ) ) {
  59                         $this->error( wfMsgExt( 'cannotchangeemail', 'parseinline' ) );
  60                         return;
  61                 }
  62
  63                 if ( !$request->wasPosted() && !$user->isLoggedIn() ) {
  64                         $this->error( wfMsg( 'changeemail-no-info' ) );
  65                         return;
  66                 }
  67
  68                 if ( $request->wasPosted() && $request->getBool( 'wpCancel' ) ) {
  69                         $this->doReturnTo();
  70                         return;
  71                 }
  72
  73                 if ( $request->wasPosted()
  74                         && $user->matchEditToken( $request->getVal( 'token' ) ) )
  75                 {
  76                         $info = $this->attemptChange( $user, $this->mPassword, $this->mNewEmail );
  77                         if ( $info === true ) {
  78                                 $this->doReturnTo();
  79                         } elseif ( $info === 'eauth' ) {
  80                                 # Notify user that a confirmation email has been sent...
  81                                 $out->wrapWikiMsg( "<div class='error' style='clear: both;'>\n$1\n</div>",
  82                                         'eauthentsent', $user->getName() );
  83                                 $this->doReturnTo( 'soft' ); // just show the link to go back
  84                                 return; // skip form
  85                         }
  86                 }
  87
  88                 $this->showForm();
  89         }
  90
  91         protected function doReturnTo( $type = 'hard' ) {
  92                 $titleObj = Title::newFromText( $this->getRequest()->getVal( 'returnto' ) );
  93                 if ( !$titleObj instanceof Title ) {
  94                         $titleObj = Title::newMainPage();
  95                 }
  96                 if ( $type == 'hard' ) {
  97                         $this->getOutput()->redirect( $titleObj->getFullURL() );
  98                 } else {
  99                         $this->getOutput()->addReturnTo( $titleObj );
 100                 }
 101         }
 102
 103         protected function error( $msg ) {
 104                 $this->getOutput()->addHTML( Xml::element('p', array( 'class' => 'error' ), $msg ) );
 105         }
 106
 107         protected function showForm() {
 108                 $user = $this->getUser();
 109
 110                 $oldEmailText = $user->getEmail()
 111                         ? $user->getEmail()
 112                         : wfMsg( 'changeemail-none' );
 113
 114                 $this->getOutput()->addHTML(
 115                         Xml::fieldset( wfMsg( 'changeemail-header' ) ) .
 116                         Xml::openElement( 'form',
 117                                 array(
 118                                         'method' => 'post',
 119                                         'action' => $this->getTitle()->getLocalUrl(),
 120                                         'id' => 'mw-changeemail-form' ) ) . "\n" .
 121                         Html::hidden( 'token', $user->getEditToken() ) . "\n" .
 122                         Html::hidden( 'returnto', $this->getRequest()->getVal( 'returnto' ) ) . "\n" .
 123                         wfMsgExt( 'changeemail-text', array( 'parse' ) ) . "\n" .
 124                         Xml::openElement( 'table', array( 'id' => 'mw-changeemail-table' ) ) . "\n" .
 125                         $this->pretty( array(
 126                                 array( 'wpName', 'username', 'text', $user->getName() ),
 127                                 array( 'wpOldEmail', 'changeemail-oldemail', 'text', $oldEmailText ),
 128                                 array( 'wpNewEmail', 'changeemail-newemail', 'input', $this->mNewEmail ),
 129                                 array( 'wpPassword', 'yourpassword', 'password', $this->mPassword ),
 130                         ) ) . "\n" .
 131                         "<tr>\n" .
 132                                 "<td></td>\n" .
 133                                 '<td class="mw-input">' .
 134                                         Xml::submitButton( wfMsg( 'changeemail-submit' ) ) .
 135                                         Xml::submitButton( wfMsg( 'changeemail-cancel' ), array( 'name' => 'wpCancel' ) ) .
 136                                 "</td>\n" .
 137                         "</tr>\n" .
 138                         Xml::closeElement( 'table' ) .
 139                         Xml::closeElement( 'form' ) .
 140                         Xml::closeElement( 'fieldset' ) . "\n"
 141                 );
 142         }
 143
 144         protected function pretty( $fields ) {
 145                 $out = '';
 146                 foreach ( $fields as $list ) {
 147                         list( $name, $label, $type, $value ) = $list;
 148                         if( $type == 'text' ) {
 149                                 $field = htmlspecialchars( $value );
 150                         } else {
 151                                 $attribs = array( 'id' => $name );
 152                                 if ( $name == 'wpPassword' ) {
 153                                         $attribs[] = 'autofocus';
 154                                 }
 155                                 $field = Html::input( $name, $value, $type, $attribs );
 156                         }
 157                         $out .= "<tr>\n";
 158                         $out .= "\t<td class='mw-label'>";
 159                         if ( $type != 'text' ) {
 160                                 $out .= Xml::label( wfMsg( $label ), $name );
 161                         } else {
 162                                 $out .=  wfMsgHtml( $label );
 163                         }
 164                         $out .= "</td>\n";
 165                         $out .= "\t<td class='mw-input'>";
 166                         $out .= $field;
 167                         $out .= "</td>\n";
 168                         $out .= "</tr>";
 169                 }
 170                 return $out;
 171         }
 172
 173         /**
 174          * @return bool|string true or string on success, false on failure
 175          */
 176         protected function attemptChange( User $user, $pass, $newaddr ) {
 177                 if ( $newaddr != '' && !Sanitizer::validateEmail( $newaddr ) ) {
 178                         $this->error( wfMsgExt( 'invalidemailaddress', 'parseinline' ) );
 179                         return false;
 180                 }
 181
 182                 $throttleCount = LoginForm::incLoginThrottle( $user->getName() );
 183                 if ( $throttleCount === true ) {
 184                         $this->error( wfMsgHtml( 'login-throttled' ) );
 185                         return false;
 186                 }
 187
 188                 if ( !$user->checkTemporaryPassword( $pass ) && !$user->checkPassword( $pass ) ) {
 189                         $this->error( wfMsgHtml( 'wrongpassword' ) );
 190                         return false;
 191                 }
 192
 193                 if ( $throttleCount ) {
 194                         LoginForm::clearLoginThrottle( $user->getName() );
 195                 }
 196
 197                 list( $status, $info ) = Preferences::trySetUserEmail( $user, $newaddr );
 198                 if ( $status !== true ) {
 199                         if ( $status instanceof Status ) {
 200                                 $this->getOutput()->addHTML(
 201                                         '<p class="error">' .
 202                                         $this->getOutput()->parseInline( $status->getWikiText( $info ) ) .
 203                                         '</p>' );
 204                         }
 205                         return false;
 206                 }
 207
 208                 $user->saveSettings();
 209                 return $info ? $info : true;
 210         }
 211 }